<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for ="(page, index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
           <img class='icon-img-content' :src='item.imgUrl' />
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
    </swiper-slide>
  </swiper>
  </div>

</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoPlay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~@/assets/style/mixins.styl';
.icons >>> .swiper-container
  height: 0
  padding-bottom: 50%
.icons
  margin-top: 0.1rem
  .icon
    position:relative
    overflow:hidden
    float: left
    width:25%
    height:0
    padding-bottom: 25%

  .icon-img
    position: absolute
    top: 0
    left: 0
    right: 0
    bottom: 0.44rem
    box-sizing: border-box
    padding:0.1rem

    .icon-img-content
      display:block
      margin: 0 auto
      height:100%
  .icon-desc
    position:absolute
    left: 0
    right: 0
    bottom: 0
    height: 0.44rem
    line-height: 0.44rem
    text-align: center
    color: #333
    ellipsis()

</style>
